An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5905-01-368-2720
NSN 5999-01-507-9308
NSN 6110-01-547-2255
NSN 5985-01-316-6428
NSN 6105-01-285-5690
NSN 6320-01-425-1417
NSN 5915-00-795-4937
NSN 5935-01-068-3228
NSN 5965-00-106-3195
NSN 2925-00-293-7213
NSN 6110-01-184-5560
NSN 5920-01-521-3000